/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { NullDescription } from './NullDescription.js';
/**
 * A {@link Description} that is stored as a string.
 */
export class BaseDescription {
    constructor() {
        this.value = '';
    }
    appendText(text) {
        this.append(text);
        return this;
    }
    appendDescriptionOf(value) {
        value.describeTo(this);
        return this;
    }
    appendValue(value) {
        if (value === undefined) {
            this.append('undefined');
        }
        else if (value == null) {
            this.append('null');
        }
        else if (value instanceof String) {
            this.append('"' + value + '"');
        }
        else if (value instanceof Array) {
            this.appendList('[', ', ', ']', value);
        }
        else {
            this.append(value.toString());
        }
        return this;
    }
    appendValueList(start, separator, end, ...list) {
        return this.appendList(start, separator, end, list);
    }
    appendList(start, separator, end, list) {
        this.append(start);
        for (let i = 0; i < list.length; i++) {
            if (i > 0) {
                this.append(separator);
            }
            this.appendDescriptionOf(list[i]);
        }
        this.append(end);
        return this;
    }

    append(str) {}
}
BaseDescription.NONE = new NullDescription();
